first working version of progress bar
moved progress bar to the 'fisheye' Problem-list box
added checkmark to correct problems in navigation, and highlight current problem
Merge branch 'develop' of https://github.com/openwebwork/webwork2 into feature/progressBar
progress bar updates immediately with change in status; added 'Perfect' and stars, and documentation
changed red to be consistent with other incorrect colours; added an 'in progress' part so that a problem is only labelled as incorrect if maxAttempts is reached. also added support for math3.css
Merge branch 'develop' of https://github.com/openwebwork/webwork2 into feature/progressBar

Conflicts:
	htdocs/themes/math4/math4.css
Merge branch 'develop' of https://github.com/openwebwork/webwork2 into feature/progressBar
just one switch for the Progress Bar and highlighting
Merge pull request #402 from cmhughes/feature/progressBar

Feature/progress bar